Home / 2,177.45-3,264.38-1,082.58

Finding the Fourth Proportional to 2,177.45, 3,264.38 and 1,082.58

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Solution

The fourth proportional to 2,177.45, 3,264.38 and 1,082.58 is: 1,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.45 : 3,264.38 = 1,082.58 : x
  2. Step 2: Convert to fraction form
    2,177.45/3,264.38 = 1,082.58/x
  3. Step 3: Cross multiply
    2,177.45x = 3,264.38 × 1,082.58
  4. Step 4: Simplify right side
    2,177.45x = 3,533,947.09
  5. Step 5: Solve for x
    x = 3,533,947.09/2,177.45
  6. Step 6: Final answer
    x = 1,622.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.